Night Light of Songling (Hebei) from space (China) Src. Average luminocity for 10x10km area is 1.1803% and for 50x50km: 2.5172%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
40° 49' 38" North, 117° 33' 57.5" East
40° 17' 34.9" North, 118° 16' 8.7" East
39° 45' 16.6" North, 118° 58' 20" East
Some cities around Songling sort by population:
• Tangshan
73.7 km =45.8 mi, 185°
• Chengde
77.8 km =48.3 mi, 340°
• Linxi
66.4 km =41.3 mi, 166°
• Zhaogezhuang
59.9 km =37.2 mi, 168°
• Tangjiazhuang
63.1 km =39.2 mi, 165°
• Fengrun
52.7 km =32.7 mi, 194°
• Guye
64.2 km =39.9 mi, 166°
• Bangjun
91.9 km =57.1 mi, 248°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016